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The Bison of Yellowstone National Park
Margaret Mary Meagher Research Biologist National Park Service
National Park Service Scientific Monograph Series Number One 1973
The Bison of Yellowstone National Park -An Historic Document from 1973-
Did You Know? Lake trout are an invasive species of fish that is decimating the native cutthroat trout population in Yellowstone Lake.
Last Updated: August 09, 2006 at 16:53 EST